linux-kernel - Re: 3.[34].x Reproducable [Firmware bug] message upon warm boot only

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Date:	Thu, 7 Jun 2012 16:24:59 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Rus <rus@...nxsoft.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 3.[34].x Reproducable [Firmware bug] message upon warm boot only

On Thu, Jun 07, 2012 at 04:40:01PM +0300, Rus wrote:
> Hello,
> 
> I have the following reproducable message upon each 3.4.1 warm boot :
> 
> ....
> [Firmware Bug]: cpu 0, invalid threshold interrupt offset 0 for bank
> 4, block 0 (MSR00000413=0xc010000001000000)
> [Firmware Bug]: cpu 0, invalid threshold interrupt offset 0 for bank
> 4, block 1 (MSRC0000408=0xc010000001000000)
> [Firmware Bug]: cpu 0, invalid threshold interrupt offset 0 for bank
> 4, block 2 (MSRC0000409=0xc01001c001000000)
> .....
> [Firmware Bug]: cpu 7, try to use APIC500 (LVT offset 0) for vector
> 0x10400, but the register is already in use for vector 0xf9 on another
> cpu
> [Firmware Bug]: cpu 7, IBS interrupt offset 0 not available
> (MSRC001103A=0x0000000000000100)
> Failed to setup IBS, -22
> .....
> 
> Cold boot do not show this message. The hardware is Asus M5A97 PRO
> (latest 1208 Bios) and FX-8150 CPU, 24GB RAM, the only system on this
> box is Linux.

Can you send /proc/cpuinfo from that box?

> Is this message harmless or this is some problem with hardware/bios/Linux ?

Mostly harmless, fix is already upstream: f227d306cf3 and also on its
way to stable. You can try 3.5-rc1 on the box (it should be pretty
stable on AMD) or wait for the stable backport.

Thanks.

-- 
Regards/Gruss,
Boris.
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